Grain-car door.



lon... .hu 9 1. v4|

ro-895,036, l A,

of.. Hmmm j I V GRAIN ,om @0011. PPLIO-TIOK I'Imm 14, 1906 2SHEETS-SHEET l.

PATBNTBD A UG14', 19o.

o. NELSON. GRAIN CAR 130011.'

APPLIGATIOE YILEDMAB. 14, 190B.

HEBT 2./

' ATTORNEYS A. l. TEDsTATns ORVIS NELSOX, 0F MINNEAPOLIS, MINNESOTA. -YA':

y No. 895,636.

To -all 'whom 'it may concern:

Be it known that I, ORvls NELSON. a citizen ot the United States,residing at Minneapolis, in the county of Hennepin and State ofMinnesota, have invented a new and useful Grain-Car Door, of which thefollowing is a specification.

This invention relates tograin-car doors, and has for its object tovprovide a door capable of bein(7 adjusted vertically and also swunglaterallby within the car to elevated position to facilitate theintroduction and removal of the grain or other contents of the car.

A further object of the invention is to provide improved means forlocking the door, and means for moving the latter to operative position.

A further object of the invention is to generally improve this class'ofdevices so as to add to their utility and durability as well as toreduce the cost of manufacture.

Withtllese and other obiects in ien the invention consists in theconstructie; and novel combination and arrangement ci parts hereinafterfully described, illustrated in the accompanying drawings and pointedout in the claims hereto appended.

In the accompanying drawings forming a part of this specication:--Figure1 is a longitudinal sectional viewof the interior of a grain-car showingmy improved door in position thereon. Fig. 2 is a side elevation of aportion of the exterior of the car. Fig. 3 is a transverse sectionalview. Fig. 4 is a derail transverse sectional View of the lor-king 4mechanism. Fig. 5 is a similar view o a portion of the grain-door andthe adjacent post or standard. Fig. 6 is a. side elevation of a hook forsupporting the grain-doors in elevated position.

Similar numerals of reference indicare corresponding parts in all of thefigures of the drawings.

The improved door may be used in connection with different kinds ofcarsand by vrav of illustration is shown applied to s graincar of theordinary construction in which 5 designates the body of the car providedwith spaced side posts or jambs 6. definingr a door receiving opening 7.Disposed Within the opening 7 is a vertically sliding door the oppositeedges of which are provided with reinforcing members or plates 9 eachhaving an -v extension 10 adapted .tobesr against the in- Specfrcaon ofLetters Patent.

GBADLCAR DOOR.

there being suitable rollers 11"ournaled in P .filrnnr OFFICE.

Patented 4, 19.08. "l

y Applicationmeemch 14, 190s. seriainaeoaoso.

`the plates 9 at theupper and lower ends of the door for engagement witha wear-plate 12, fastened in any suitable manner to said posts. Securedto the inner face of the door 8 is a circular plate or disk 13 providedwith a cylindrical extension 14 journaled in a socketor bushing 15secured to the outer face of said door and to which is keyed orotherwise rigidly secured a hand operated lever 16.

Eccentrically mounted on the plate 13 by means of suitable pivoted pins17 are links 18 to which are secured links 19, the latter beingpivotally connected at 20, to locking bars or movement in suitableguides 22 and adapted to engage keepers 23 fastened to side posts orjambs as shown. i

Secured to the side posts 6 and preferably spaced inwardly from Vtheopening 7 are vertical guide-rods 24 which engage eyes or loops' 25extendino' laterally from clips or brackets 26 secured to the upper edgeof the door. The up er ends of the oruide-rods 24 are preferably entlaterally to torni loops 27 olts 21 slidably mounted for longitudinaladapted to receive the eyes 25 when the door is a( justed vertically andswung inwardly to the elevated osition shown in Fig. 3 of the drawings,sai doors being locked in elevated position by means of hooks 28depending rom the top of the car and engaging the adjacent edges of thedoors as shown.

As a means for moving the door to elevated position suitable cords orcables 29 are secured to the u per edge of the door and thence pass overrol ers or pulleys 29' to a drum or reel 30 mounted. 'for rotation onone of the posts or jambs 6. The drum is rotated to elevate the door bymeans of a handle 31 provided with a spring ratchet tooth 32 adapted toengage the ratchet teeth on the drum as the handle is rotated, backwardmovement of the ratchet-wheel 33 being prevented by a suitable lockingpawl 34.

The hand operated lever 16 is provided with a locking tooth 35 adaptedto engage the notches or teeth of a segmental rack 36 secured to theouter face of the door S so that the bolts 21 may be locked in eitheroperative or inoperative position.

In operation when it is desired to release the door, the handle 16 isrotated in one direction which causes the levers 18 to exert alongitudinal pull on the'links 19 and thereby withdraw the bolts 21 fromthe keepers 23.

ner face of the adjacent side post as shown, A The door ,may then be`elevated above the 2 y 1 f p 895,036

flower of the car by rotating the handlel to Wind the cord 29 on thedrum 30.

When it is desired to support the doors in elevated or inoperativeposition, said doors are adjusted vertically until the eyes 25l en theloops 27, the doors being then swung inwardly and upwardly intoengagement. with the pivoted hook 28. v

' Secured to the door near the bottom thereoE its a bracket or cleat 37adapted to receive the .pointof a cross-bar or similar tool to assist melevating the door when the pressure or? T.the grain is excessive orwhen frost or smear causes the door to stick. y

Attention is called to the fact that the doors S are preferably of sucha'height that Winnen tliesame are swung upwardly to inop" emaiveposition the free ends of the doors over-lap and thus permit a singlehook or other fastening device 28 to retain the doors im elevatedosition.' It will of course be understood t at either or both of saiddoors many be elevated, the hook being so dis osed thmzt the billthereof will engage one et ge of etlber door as shown.

B3' having the locking bolts secured to thev rotating dislr or late 13in the manner described, said bolrts may be simultaneously mowed tooperative and ino erative posl- Ems, the construction and re ativedispositiem of the several levers and connecting limits being such as topermit the operation of the bolts with a minimum expenditure of theweer. .A

Havin thus described the invention what is clairnc( isz T he combinationwith a car including .spaced posts forming a door receivingv openlng,wear plates secured to the inner aces of the posts, a doorslidablymounted for vertical movement between the wear plates and formed of aplurality of superposed transverse strips, substantially rectangularcasings secured to the vertical edges of the door and forming housingsfor the opposite ends of the transverse strips and each provided withalaterally extendmg flange forming a continuation of one slde of thecasing and ada ted to bear against the longitudinal edge of t 1eadljacent wear plate at the inside of the car, a {eeper secured to theinner face of each post in spaced relation to the -adjacent wear plate,keepers secured to the casings and disposed in horizontal alinement withthe kee ers on the posts, lockinvr members slidab y mounted on the dooran ada ted to engage the kee ers on the casings an' posts, respectively,or forcing the flanges o said vcaslngs in engagement wltli the adjacentwear plates,

means ihr elevating the door, and means for su porting the door inelevated position.

n testimony that I claim the foregoing as my own, I have hereto affixedmy signature in the presence of two Witnesses.

R ORVIS NELSON. Witnesses:

, E. Driven,-

. E. CLARK.

